Finding the Fourth Proportional to 72,760.82, 109,164.02 and 46,272
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Solution
The fourth proportional to 72,760.82, 109,164.02 and 46,272 is: 69,422.49
Step by Step Solution
- Step 1: Write the proportion equation
72,760.82 : 109,164.02 = 46,272 : x - Step 2: Convert to fraction form
72,760.82/109,164.02 = 46,272/x - Step 3: Cross multiply
72,760.82x = 109,164.02 × 46,272 - Step 4: Simplify right side
72,760.82x = 5,051,237,302.08 - Step 5: Solve for x
x = 5,051,237,302.08/72,760.82 - Step 6: Final answer
x = 69,422.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.